The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 01, 2021
Filed:
Sep. 18, 2017
Applicant:
Nicolas Paulus, Liege, BE;
Inventor:
Nicolas Paulus, Liege, BE;
Assignee:
SAFRAN AERO BOOSTERS SA, Herstal, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/06 (2006.01); H01F 7/16 (2006.01); H01F 7/128 (2006.01); H01F 7/08 (2006.01);
U.S. Cl.
CPC ...
F16K 31/0675 (2013.01); F16K 31/0668 (2013.01); H01F 7/081 (2013.01); H01F 7/128 (2013.01); H01F 7/1638 (2013.01); F16K 31/061 (2013.01); H01F 2007/083 (2013.01); H01F 2007/086 (2013.01);
Abstract
Proportional electromagnetic actuator comprising: a magnetic casing; an electromagnetic plunger movable relative to the casing and having a first axial half; a first radial gap and a second radial gap which are each formed radially between the plunger and the casing, and which are positioned axially at the first axial half of the plunger. These gaps () are formed by concentric annular chamfers (). A three-way valve for turbojet oil, which is actuated by an electromagnetic actuator with double chamfered gaps.